chore(package): update @typescript-eslint/eslint-plugin to version 2.1.0

Closes #38

Author: greenkeeper[bot]

package.json

@@ -69,7 +69,7 @@
     "@types/react-dom": "^16.8.5",
     "@types/react-test-renderer": "^16.8.3",
     "@types/shallowequal": "^1.1.1",
-    "@typescript-eslint/eslint-plugin": "^1.13.0",
+    "@typescript-eslint/eslint-plugin": "^2.1.0",
     "@typescript-eslint/parser": "^2.0.0",
     "codecov": "^3.5.0",
     "eslint": "6.3.0",